Octuple Calc vs TextMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Octuple Calc
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Display eight calculators and perform calculations with each one.
TextMath
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TextMath redefines how calculators work. No need to memorize complex button sequences - just input in natural language and get instant results. 【Core Features】 • Multi-tab management for organized calculations • Natural language input - type "15% of 200" or "100 USD to EUR" • Real-time calculation display with paper-style interface • Smart toolbar with mathematical and currency symbols • Supports basic math, percentages, currency & unit conversion • Automatic data saving and offline operation • Dark mode support 【Perfect For】 • Daily shopping calculations • Travel currency exchange • Work reports and data analysis • Students learning mathematics 【Technical Excellence】 • Precise calculation engine • Optimized performance • Local data storage for privacy • Regular updates Through natural language input and paper-style interface design, TextMath brings calculation back to its essence, becoming an extension of your thinking process. Download TextMath now and experience a different way of calculating.
Screenshots
Verdict
The clearest difference is in-app purchases: Octuple Calc at none against TextMath's 1. TextMath's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. TextMath sells 1 one-off in-app purchase. Octuple Calc asks for nothing beyond the download.
Octuple Calc ships an update every 2 weeks, TextMath every 5 days. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.
| Parameter | Octuple Calc | TextMath |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.8.3 | 15.1 — better |
| Further details — not scored | ||
| Size | 36 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | MHOST LTD |
In-app purchases
Octuple Calc
No in-app purchases
TextMath
- Unlimited Pages$1.99
